11,000 liters of air per day pass through our lungs. At the same time, our heart contracts and pumps around 100,000 times a day, moving 12,000 liters of blood through 1,600 km of veins. If the body is healthy, we hardly notice these operations. It certainly helps that we spend about 24 years of our lives sleeping ...
Our body in figures- if we start at the top: on our heads...
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